LEITZ PRISM BINOCULARS. 



New and Improved Models, 



Increased light gathering power. Larger field of view, with sharp 

 definition to the edge. Enhanced stereoscopic effect. Perfect 

 mounting of the prisms by patented device. Absolute protection of 

 optical parts against dust and moisture. Extreme lightness com- 

 bined with strength and rigidity. Supplied with or without central 

 focussing screw. 



^ These Binoculars are made with the same care and iDiecision as the 

 •^ Leitz Microscopes, so much appreciated by workers with the latter. 



Descriptive Price List Free on Request. ■ 



El C" I T "7 Oxford House, 



. L_ C I I ^ , 9, Oxford Street, London, W. 



Or through first-class Opticians. 



Crown 4to, Cloth, gilt, extra, Pp, 144, Price tOs, 



A 



Collector's Medley 



BY 



E. C. ARNOLD, M.A. 



^ With Twelve full-page Coloured Illustrations and Eight Un- 

 coloured, from the Author's Drawings. Illustrated in the Text 

 by Twenty Process Blocks. 

 ^ A Book for Amateur Collectors and Shore- Shooters. 



THE AVICULTURAL MAGAZINE 



Edited by J. LEWIS BONHOTE, M.A. 



To promote the study of Birds, both British and Foreign, in 



freedorw and in captivity. Frequent Illustrations. 



ANNUAL SUBSCRIPTION, 15s. POST FREE. 



London: WEST, NEWMAN dc CO., 54, Hatton Garden, E.G. 



